RAP kɔnɔkow ɲɛfɔli: Ka bɔ 30% na ka se 60%+ ma waleyali la

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Sɛtanburukalo tile 20, san 2025

K’a ta RAP gafemarayɔrɔ jɔli la ka se dilancogo ni sɔnni ɲagaminen ma, nin barokun in bɛ sira ɲuman di walasa ka nɛgɛso kɔnɔfɛnw kɔrɔta ka bɔ 30% na ka se 60%+ ma.

Fɛn fɔlɔ: RAP gafemarayɔrɔ jɔli — ‘A tɛ ‘fɛn kɔrɔw kulu’ ye, nka a bɛ kɛ ni fɛnw kunnafonidilan ye min bɛ jate

RAP kɔnɔkow ɲɛfɔli fɔlɔ tɛ mix design ye — o ye RAP gafemarayɔrɔ jɔli ye. RAP tɛ fɛn ye min bɛ kɛ kelen ye — RAP min bɛ bɔ sira tilayɔrɔw la, u mansin jugumanw tɛ kelen ye, ani jɔli waatiw tɛ kelen ye, o bɛ danfaraba don bitumini hakɛ la, a bɛɛ lajɛlen hakɛ la, ani kɔrɔya hakɛ la. Baara kɛli ni RAP ye k’a sɔrɔ i ma jatebɔ kɛ, o bɛ bɛn dannayabaliya donni ma ɲagami dilanni na. RAP gafemarayɔrɔ jɔli bɛ taabolo saba de wajibiya. Fɔlɔ, misali ta : ka misali jiralenw ta waati ni waati ka bɔ mansin yɔrɔ kelen-kelen bɛɛ la, ka sira bonya bɛɛ datugu. Filanan, jatebɔ : aw bɛ RAP tila tilayɔrɔ caman na ka da bitumini hakɛ kan (misali la, 4-5%, 5-6%, 6-7%) ani jatebɔ hakɛ faralen ɲɔgɔn kan, ka jateden kelen-kelen bɛɛ mara ani k’u tɔgɔ sɛbɛn u danma. Sabanan, dosiye : ka sɛgɛsɛgɛli dafalenw kɛ kalasi kelen-kelen bɛɛ kan — bitumini hakɛ (tasuma kɛcogo), jateden faralen ɲɔgɔn kan (sieve sɛgɛsɛgɛli), bitumini baarakɛcogo (yɔrɔ jiginni, a doncogo, a nɔgɔyayɔrɔ), ani a bɛɛ lajɛlen baarakɛcogo (krush value, Los Angeles abrasion, water absorption). Ni RAP gafemarayɔrɔ sigira sen kan, mix design bɛ ni kunnafonidilan ye min bɛ se ka da a kan sanni a ka da jateminɛw kan minnu kɛra ni ko kɛlenw ye.

Taabolo filanan: Mix Design — Ka bɔ laɲini na ka taa a bila Production Mix la

RAP gafemarayɔrɔ sigilen kɔfɛ, mix design dakun bɛ daminɛ. A dilanni taabolo bɛ tali kɛ asfalt ɲagaminen dilancogo kɔrɔ la, nka danfaraba saba bɛ u ni ɲɔgɔn cɛ. A fɔlɔ, bitumini kura ni bitumini kura ‘cɛsirili’ — ɲagami ni walekɛcogo bɛ kɛ RAP kɔnɔ bitumini kɔrɔlen ni denmisɛnnin kura faralen cɛ, wa bitumini hakɛ bɛɛ lajɛlen tɛ se ka jate ni RAP bitumini hakɛ ni bitumini kura hakɛ farali ye dɔrɔn. Filanan, kamalenninya fura tata hakɛ — a ka c’a la, denmisɛnya bɛ fara a kan ni bitumini hakɛ kɛmɛsarada la dɔ ye RAP kɔnɔ (misali la, 5-15%), ni hakɛ kɛrɛnkɛrɛnnen bɛ bɔ RAP bitumini kɔrɔya hakɛ la ani a kɛcogo laɲininen na. Sabanan, jatebɔcogo — RAP kɔnɔ fɛnɲɛnamafagalan kɔrɔ tiɲɛna ani a bɛ ɲɔgɔn minɛ cogo la min bɛ kɛ a yɛrɛ la, wa a jatebɔcogo tɛ kelen ye ni fɛnɲɛnamafagalan kura bɔlen ye ; a ka c’a la, RAP faralen ɲɔgɔn kan ka fin (flakiness index (flakiness index) ka bon), o la, aggregat kura ka coarse-to-fine ratio ka kan ka ladilan ka kɛɲɛ ni o ye. Dilancogo taabolo ye : laɲini ɲagaminen dilancogo (laboratuwari Marshall walima Superpave Gyratory) → sɛnɛfɛnw ɲagaminen sɛgɛsɛgɛli (jiriw tacogo) → kɔrɔbɔli ɲagami sɛgɛsɛgɛli (paving section sampling).

Stiffness Targets: RAP kɔnɔkow ni modulu balan

Ni RAP hakɛ bɛ caya, a ka c’a la, o ɲagaminen ka gɛlɛya (tensile strength indirect, modulus dynamique) bɛ bonya — o ka ɲi bawo gɛlɛya ka bon, o kɔrɔ ye ko siraba tɛ tiɲɛ kosɛbɛ doni kɔrɔ ani rutting farati ka dɔgɔn. Nka, gɛlɛya camanba fana bɛ na ni gɛlɛyaw ye: a fɔlɔ, ka fara funteni dɔgɔyalen kari farati kan — gɛlɛya caman ɲagaminenw bɛ funteni degunba lase funteni ma ni funteni bɛ jigin, wa ni sɔgɔli fanga ma se ka to sen na, kariw bɛna bɔ kɛnɛ kan filanan, sɛgɛn ɲɛnamaya bɛ se ka dɔgɔya — doni segin-segin kɔfɛ, fɛn minnu ka gɛlɛn kosɛbɛ, olu tɛ se ka degun minɛ ka ɲɛ. O la, RAP kɔnɔkow ɲɛfɔli tɛ se ka rutting baarakɛcogo dɔrɔn lajɛ; funteni dɔgɔyalen kari ni sɛgɛn baarakɛcogo ka kan ka jateminɛ waati kelen na. Ɛntɛrinɛti fɛɛrɛ ye : ka gɛlɛya sanfɛla dɔ sigi (misali la, modulu dinamiki min ye 10.000-15.000 MPa @ 20°C, 10 Hz ye), ani ka denmisɛnninw ka furakɛlicogo ni bitumini kura hakɛ ladilan walasa ka ɲagami gɛlɛya to laɲini hakɛ kɔnɔ. Kunnafoni sumanlenw b’a jira ko 60% RAP ɲagaminen ni rejuvenator ye min bɛ bɔ FangService la, o ka modulu dinamiki bɛ se ka kɛ kelen ye ni 30% RAP ɲagaminen kɔrɔlen ye, k’a sɔrɔ sɛgɛn ɲɛnamaya bɛ ɲɛ ni 15% ni kɔ ye.

Baarakɛcogo kɔlɔsili: Fɛɛrɛko yɔrɔ saba minnu bɛ RAP caman don a kɔnɔ

Ni RAP hakɛ tɛmɛna 40% kan, ɲagami baarakɛcogo bɛ dɔgɔya kosɛbɛ, o bɛ a jira cogo saba la. A fɔlɔ, ka dɔ fara ɲagami kunbɛnni kan — bitumini kɔrɔlen bɛ ni sɔgɔsɔgɔba ye, wa RAP fɛnɲɛnamafagalanw bɛ se ka wuli ka caya ɲagami dunun kɔnɔ, o bɛ na ni ɲagami ye nɔgɔya la. Filanan, siraba dilanni gɛlɛya — ɲagami min ka gɛlɛn kosɛbɛ, o tɛ woyo cogo jugu la siraba dilanni masin ka bɔgɔdaga kɔnɔ, wa a bɛ tila ka ɲɛ sirababɔlan fɛ, o bɛ se ka kɛ sababu ye ka danfara don siraba kan. Sabanan, gɛlɛya min bɛ fɛnw sɔgɔli gɛlɛya — o ɲagaminen bɛ bɔnɛ a sɔgɔli la ni funteni ka dɔgɔn, o bɛ a ɲini wuluwuluw fɛ u ka tugu ɲɔgɔn kɔ kosɛbɛ ani ka tɛmɛsira caman kɛ. Ɛntɛrinɛti kɛlɛli fɛɛrɛw ye : fɔlɔ, ka baara kɛ ni farikoloɲɛnajɛlan sumalen ye walasa ka dɔ bɔ a sɔgɔli bɛɛ lajɛlen na (ɲɛnamayalan min bɛ bɔ FangService la, o bɛ ɲagami funteni jigin fo ka se 120-140°C ma, o bɛ baarakɛcogo ɲɛ kosɛbɛ) filanan, ka RAP sumaya ka ɲɛ — aw bɛ RAP sumaya ka se 60-80°C ma sani aw ka a ɲagami walasa ka funteni danfara dɔgɔya ni fɛnɲɛnamafagalan kura ye; sabanan, ka fɛnw sɔgɔli kɛcogo ladilan — baara kɛ ni fɛnw sɔgɔli ye minnu bɛ kɛ ni fɛn caman ye, minnu ka dɔgɔn, walasa ka baara kɛcogo ɲɛ ka sɔrɔ ka dɔ bɔ fɛnw bɛɛ lajɛlen tiɲɛni na.

Sɔncogo sariyaw: K’a ta Marshall la ka taa se Superpave Indicator Systems ma

Sɔncogo minnu bɛ RAP caman sɔrɔ ɲagaminenw na, olu tɛ se ka ɲagami kɛcogo kɔrɔw ta ladege dɔrɔn, wa u ka kan ka ladilan ka da fɛnw lasegincogo fɛɛrɛw cogoyaw kan. A fɔlɔ, Marshall sabatili ni jibɔ — sabatili bɛ doni tali seko jira ani jibɔ bɛ deformation seko jira. A ka c’a la, RAP caman ɲagaminenw sabatili ka bon nka u bɛ se ka jibɔ dɔgɔya (fɛn gɛlɛnw), o la sɔnni ka kan ka sinsin sabatili ni jibɔ hakɛ kan sanni ka sinsin taamasiyɛn fila la kelen kan. Filanan, fiɲɛbɔyɔrɔw — dilancogo fiɲɛbɔyɔrɔw ka teli ka kɛ 4-6% ye, ani foro fiɲɛbɔyɔrɔw minnu bɛ RAP caman ɲagaminenw na, olu ka kan ka kɛ ±1,5% kɔnɔ dilancogo la. Sabanan, VMA (voids in mineral aggregate) — A ka c’a la, VMA bɛ dɔgɔya RAP caman ɲagaminenw na bawo aggregate kɔrɔ bɛ yɔrɔ dɔ minɛ kaban. Naaninan, sɛgɛn kɛcogo — dakun minnu bɛ jago kɛ kosɛbɛ, sɛgɛn ɲɛnamaya min tɛ dɔgɔya doni cycle 1.000.000 ma, o ka kan ka wajibiya. Duurunan, funteni dɔgɔyali baarakɛcogo — funteni dɔgɔyalen kɔrɔtacogo sɛgɛsɛgɛliw walima BBR sɛgɛsɛgɛliw ka kan ka kɛ walasa ka a dɔn ko ɲagaminen ka sɔgɔsɔgɔninjɛ -10°C la, o tɛ dɔgɔya ni 2000 με ye.

Supplier Qualification Audit: Fɛn wɔɔrɔ minnu ka kan ka sɛgɛsɛgɛ sani i ka Rejuvenator san

Sani ka RAP kɔnɔkow ɲɛfɔ ani ka sanni kɛ denmisɛnninw na, feerekɛlaw ka seko ni dɔnko jateminɛ nafa ka bon kosɛbɛ. Fɛn wɔɔrɔ ka kan ka dafa. A fɔlɔ, rejuvenator suguya — yala a ye dilution-oil suguya fɔlɔ ye wa walima a ye molecular regeneration suguya filanan ye wa? O laban in ka fisa kosɛbɛ baara kuntaalajan na. Filanan, fɛɛrɛko kunnafonisɛbɛn — farikolo ni kemikaliya paramɛtiri dafalenw ɲini: sɔgɔsɔgɔninjɛ, flash point, density, fractions (saturate/aromatic/resin/asphaltene content), ani RTFOT kɔfɛ kɔrɔya kɛcogo. Rejuvenator min bɛ bɔ FangService la, o bɛ nin taamasiyɛn ninnu bɛɛ bɔ kɛnɛ kan, wa u bɛɛ bɛ izini ɲɛmɔgɔ hakɛw la. Sabanan, segin-ka-bɔnye nafa tiɲɛni kunnafoniw — aw bɛ ɛntɛrinɛti ko kunnafoniw ɲini ni nin kamalennin ye, i n’a fɔ laboratuwari kɔnɔ bitumini kura doncogo, a nɔgɔyayɔrɔ, ductility seginni kunnafoniw, ani foro ɲagaminen baarakɛcogo kunnafoniw. Naaninan, bɛnkan — ka bɛnkan dafa denmisɛnninw ni bitumini min bɛ kɛ porozɛ kɔnɔ (misali la, SBS bitumen modifié, bitumen lastikuw). Duurunan, sɔrɔ sabatili — ka fɛn dilanbaga ka fɛn dilanni seko ni a ka fɛnmara hakɛw dafa walasa ka fɛnw dilancogo tigɛ min tɛ tigɛ poroze senfɛ. A wɔɔrɔnan, fɛɛrɛdɛmɛ — a jira ni feerekɛla bɛ se ka fɛɛrɛdɛmɛ di yɔrɔ la ani ka dɛmɛ don min bɛ dilancogo ɲagami ɲɔgɔn na. Ni nin fɛn wɔɔrɔ ninnu dɔ ma wasa, a feerela ka kan ka wuli ka bila a nɔ na.

Kontrakan: Sariyasen duuru minnu ka kan ka sɛbɛn ka jɛya

Ɛntɛrinɛti ka bɛnkansɛbɛn fɛɛrɛbɔlenw kɔnɔ, dakun minnu ɲɛsinnen bɛ RAP ka segin-ka-bɔnye ma, olu ka kan ka sɛbɛn ka jɛya walasa ka sɔsɔliw bali kɔfɛ. Fɔlɔ, RAP kɔnɔkow — aw bɛ RAP kɔnɔfɛnw laɲinitaw ɲɛfɔ (misali la, 60%) ani jiginni hakɛ min bɛ se ka kɛ (misali la, ±5%). Filanan, rejuvenator brand and model — aw bɛ fɛn tigitigi ɲɛfɔ walasa ka baarakɛla bali ka a bila a nɔ na. Sabanan, ɲagami funteni — aw bɛ sumaya-ɲɛnabɔli segin-ka-bɔ ɲagami funteni hakɛ (120-140°C) ani ɲɔgɔndan funteni hakɛ (100-120°C) fɔ. Naaninan, sɔnni sariyaw — sɛgɛsɛgɛli kɛcogo kɛrɛnkɛrɛnnenw lajɛ ani tɛmɛsira sariyaw (misali la, fiɲɛ bilayɔrɔw 4-6%, modulu dinamiki ≥10.000 MPa). Duurunan, fɛn caman Changement clauses — ni RAP kɔnɔkow ka kan ka ladilan ka da fɛnw caman ɲɔgɔnna kan, fɛn caman b’a la ka Changement taabolo ni sɔngɔ ladilanni fɛɛrɛ ka kan ka ɲɛfɔ ka jɛya. Ni nin dakun duuru ninnu sɛbɛnna ka jɛya, kunkanbaaraw dancɛ bɛ baarakɛla ni tigi cɛ, o ɲɛfɔlen don kosɛbɛ.